Home / 22,776.76-31,431.98-12,704.95

Finding the Fourth Proportional to 22,776.76, 31,431.98 and 12,704.95

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Solution

The fourth proportional to 22,776.76, 31,431.98 and 12,704.95 is: 17,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,776.76 : 31,431.98 = 12,704.95 : x
  2. Step 2: Convert to fraction form
    22,776.76/31,431.98 = 12,704.95/x
  3. Step 3: Cross multiply
    22,776.76x = 31,431.98 × 12,704.95
  4. Step 4: Simplify right side
    22,776.76x = 399,341,734.30
  5. Step 5: Solve for x
    x = 399,341,734.30/22,776.76
  6. Step 6: Final answer
    x = 17,532.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.